与疠气发生与流行关系不太密切的因素是A.空气、水源、食物受到污染 B.久旱、酷热、湿 发布时间:2018-06-25 13:27 │ 来源:www.tikuol.com 题型:单项选择题 问题: 与疠气发生与流行关系不太密切的因素是A.空气、水源、食物受到污染B.久旱、酷热、湿雾瘴气C.预防隔离工作没有及时做好D.社会影响E.情志因素
题型:单项选择题 In 1986, the Chinese government ________ a law stating that by the year 2000 every Chinese child would have nine years of compulsory education.A.impressedB.introducedC.interruptedD.instructed 查看答案
题型:单项选择题 下列程序如果去掉for循环外围的大括号对,则会出现编译错误。错误原因是 【7】 。# include<iostream, h>int a=5;void main(){ int a=10, b=20; cout<<a<<", "<<b<<end1; { int a=0, b=0; for (int i=1;i<8;i++) { a+=i; b+=a; } cout<<a<<", "<<b<<", "<<:: a<<end1; } cout<<a<<", "<<b<<end1;} 查看答案